v3.25.4
Fair Values of Assets and Liabilities - Fair Value of Other Financial Instruments (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Assets    
Held to maturity securities: $ 133,969 $ 146,453
U.S. agency mortgage-backed securities    
Assets    
Held to maturity securities: 133,563 146,453
U.S. Treasury securities    
Assets    
Held to maturity securities: 406  
Carrying Amount    
Assets    
Cash and cash equivalents 30,094 31,078
Cash and investments segregated and on deposit for regulatory purposes 19,290 12,416
Receivables from brokers, dealers, and clearing organizations 7,190 2,440
Receivables from brokerage clients — net 104,625 85,343
Held to maturity securities: 133,969 146,453
Bank loans — net: 57,955 45,215
Total other assets 766 1,405
Liabilities    
Bank deposits 255,747 259,121
Payables to brokers, dealers, and clearing organizations 25,689 13,336
Payables to brokerage clients 116,341 101,559
Accrued expenses and other liabilities 1,359 1,076
Other short-term borrowings 6,913 5,999
Federal Home Loan Bank borrowings 1,850 16,700
Long-term debt 22,162 22,379
Carrying Amount | Pledged asset lines    
Assets    
Bank loans — net: 26,603 17,024
Carrying Amount | Other    
Assets    
Bank loans — net: 470 393
Carrying Amount | First Mortgages | Residential real estate    
Assets    
Bank loans — net: 30,456 27,375
Carrying Amount | HELOCs | Residential real estate    
Assets    
Bank loans — net: 426 423
Carrying Amount | U.S. agency mortgage-backed securities    
Assets    
Held to maturity securities: 133,563 146,453
Carrying Amount | U.S. Treasury securities    
Assets    
Held to maturity securities: 406  
Portion at Other than Fair Value Measurement    
Assets    
Cash and cash equivalents 30,094 31,078
Cash and investments segregated and on deposit for regulatory purposes 19,290 12,416
Receivables from brokers, dealers, and clearing organizations 7,190 2,440
Receivables from brokerage clients — net 104,625 85,343
Held to maturity securities: 126,055 132,605
Bank loans — net: 56,116 42,194
Total other assets 766 1,405
Liabilities    
Bank deposits 255,747 259,121
Payables to brokers, dealers, and clearing organizations 25,689 13,336
Payables to brokerage clients 116,341 101,559
Accrued expenses and other liabilities 1,359 1,076
Other short-term borrowings 6,913 5,999
Federal Home Loan Bank borrowings 1,850 16,700
Long-term debt 22,059 21,621
Portion at Other than Fair Value Measurement | Pledged asset lines    
Assets    
Bank loans — net: 26,603 17,024
Portion at Other than Fair Value Measurement | Other    
Assets    
Bank loans — net: 470 393
Portion at Other than Fair Value Measurement | First Mortgages | Residential real estate    
Assets    
Bank loans — net: 28,612 24,336
Portion at Other than Fair Value Measurement | HELOCs | Residential real estate    
Assets    
Bank loans — net: 431 441
Portion at Other than Fair Value Measurement | U.S. agency mortgage-backed securities    
Assets    
Held to maturity securities: 125,649 132,605
Portion at Other than Fair Value Measurement | U.S. Treasury securities    
Assets    
Held to maturity securities: 406  
Portion at Other than Fair Value Measurement | Level 1    
Assets    
Cash and cash equivalents 30,094 31,078
Cash and investments segregated and on deposit for regulatory purposes 2,470 2,401
Receivables from brokers, dealers, and clearing organizations 0 0
Receivables from brokerage clients — net 0 0
Held to maturity securities: 0 0
Bank loans — net: 0 0
Total other assets 0 0
Liabilities    
Bank deposits 0 0
Payables to brokers, dealers, and clearing organizations 0 0
Payables to brokerage clients 0 0
Accrued expenses and other liabilities 0 0
Other short-term borrowings 0 0
Federal Home Loan Bank borrowings 0 0
Long-term debt 0 0
Portion at Other than Fair Value Measurement | Level 1 | Pledged asset lines    
Assets    
Bank loans — net: 0 0
Portion at Other than Fair Value Measurement | Level 1 | Other    
Assets    
Bank loans — net: 0 0
Portion at Other than Fair Value Measurement | Level 1 | First Mortgages | Residential real estate    
Assets    
Bank loans — net: 0 0
Portion at Other than Fair Value Measurement | Level 1 | HELOCs | Residential real estate    
Assets    
Bank loans — net: 0 0
Portion at Other than Fair Value Measurement | Level 1 | U.S. agency mortgage-backed securities    
Assets    
Held to maturity securities: 0 0
Portion at Other than Fair Value Measurement | Level 1 | U.S. Treasury securities    
Assets    
Held to maturity securities: 0  
Portion at Other than Fair Value Measurement | Level 2    
Assets    
Cash and cash equivalents 0 0
Cash and investments segregated and on deposit for regulatory purposes 16,820 10,015
Receivables from brokers, dealers, and clearing organizations 7,190 2,440
Receivables from brokerage clients — net 104,625 85,343
Held to maturity securities: 126,055 132,605
Bank loans — net: 56,116 42,194
Total other assets 766 1,405
Liabilities    
Bank deposits 255,747 259,121
Payables to brokers, dealers, and clearing organizations 25,689 13,336
Payables to brokerage clients 116,341 101,559
Accrued expenses and other liabilities 1,359 1,076
Other short-term borrowings 6,913 5,999
Federal Home Loan Bank borrowings 1,850 16,700
Long-term debt 22,059 21,621
Portion at Other than Fair Value Measurement | Level 2 | Pledged asset lines    
Assets    
Bank loans — net: 26,603 17,024
Portion at Other than Fair Value Measurement | Level 2 | Other    
Assets    
Bank loans — net: 470 393
Portion at Other than Fair Value Measurement | Level 2 | First Mortgages | Residential real estate    
Assets    
Bank loans — net: 28,612 24,336
Portion at Other than Fair Value Measurement | Level 2 | HELOCs | Residential real estate    
Assets    
Bank loans — net: 431 441
Portion at Other than Fair Value Measurement | Level 2 | U.S. agency mortgage-backed securities    
Assets    
Held to maturity securities: 125,649 132,605
Portion at Other than Fair Value Measurement | Level 2 | U.S. Treasury securities    
Assets    
Held to maturity securities: 406  
Portion at Other than Fair Value Measurement | Level 3    
Assets    
Cash and cash equivalents 0 0
Cash and investments segregated and on deposit for regulatory purposes 0 0
Receivables from brokers, dealers, and clearing organizations 0 0
Receivables from brokerage clients — net 0 0
Held to maturity securities: 0 0
Bank loans — net: 0 0
Total other assets 0 0
Liabilities    
Bank deposits 0 0
Payables to brokers, dealers, and clearing organizations 0 0
Payables to brokerage clients 0 0
Accrued expenses and other liabilities 0 0
Other short-term borrowings 0 0
Federal Home Loan Bank borrowings 0
Long-term debt 0 0
Portion at Other than Fair Value Measurement | Level 3 | Pledged asset lines    
Assets    
Bank loans — net: 0 0
Portion at Other than Fair Value Measurement | Level 3 | Other    
Assets    
Bank loans — net: 0 0
Portion at Other than Fair Value Measurement | Level 3 | First Mortgages | Residential real estate    
Assets    
Bank loans — net: 0 0
Portion at Other than Fair Value Measurement | Level 3 | HELOCs | Residential real estate    
Assets    
Bank loans — net: 0 0
Portion at Other than Fair Value Measurement | Level 3 | U.S. agency mortgage-backed securities    
Assets    
Held to maturity securities: 0 $ 0
Portion at Other than Fair Value Measurement | Level 3 | U.S. Treasury securities    
Assets    
Held to maturity securities: $ 0